CN107603154A - Traction motor casting resin and preparation method thereof - Google Patents
Traction motor casting resin and preparation method thereof Download PDFInfo
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- CN107603154A CN107603154A CN201710909178.1A CN201710909178A CN107603154A CN 107603154 A CN107603154 A CN 107603154A CN 201710909178 A CN201710909178 A CN 201710909178A CN 107603154 A CN107603154 A CN 107603154A
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- 229920005989 resin Polymers 0.000 title claims abstract description 89
- 239000011347 resin Substances 0.000 title claims abstract description 89
- 238000005266 casting Methods 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 239000000203 mixture Substances 0.000 claims abstract description 62
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 40
- 239000002994 raw material Substances 0.000 claims abstract description 21
- MWSKJDNQKGCKPA-UHFFFAOYSA-N 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1CC(C)=CC2C(=O)OC(=O)C12 MWSKJDNQKGCKPA-UHFFFAOYSA-N 0.000 claims abstract description 18
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical class O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000012745 toughening agent Substances 0.000 claims abstract description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 13
- 238000010792 warming Methods 0.000 claims description 13
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 9
- XXBDWLFCJWSEKW-UHFFFAOYSA-N dimethylbenzylamine Chemical compound CN(C)CC1=CC=CC=C1 XXBDWLFCJWSEKW-UHFFFAOYSA-N 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 150000002460 imidazoles Chemical class 0.000 claims description 8
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 claims description 3
- 239000011342 resin composition Substances 0.000 abstract 3
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 1
- 239000004841 bisphenol A epoxy resin Substances 0.000 abstract 1
- 239000002105 nanoparticle Substances 0.000 abstract 1
- 229920000570 polyether Polymers 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 150000003851 azoles Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Landscapes
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Abstract
The invention discloses traction motor casting resin and a preparation method thereof, and relates to the technical field of casting resin. The traction motor casting resin is prepared from a resin composition and a curing agent composition, wherein the resin composition comprises the following raw materials in parts by weight: 70-95 parts of E51 bisphenol A epoxy resin; 2-28 parts of polyether polyol; 2-25 parts of a sea-island structure toughening agent; 1-3 parts of a nanoparticle composition; the curing agent composition comprises methyl tetrahydrophthalic anhydride, modified maleic anhydride and a mixed accelerator; the preparation method comprises the steps of resin composition preparation, curing agent composition preparation and casting resin preparation. The casting resin for the traction motor has excellent weather resistance, temperature resistance, tensile strength, yield strength and insulating property, and has good surface gloss, wear resistance and water resistance.
Description
Technical field：
The present invention relates to casting resin technical field, and in particular to a kind of traction electric machine casting resin and preparation method thereof.
Background technology：
Traction electric machine reliability of operation and life-span, determined by its insulating properties, operation warp
Test and relevant information counts surface, the failure of traction electric machine, it is because caused by breaking down insulation to have more than half.Electricity simultaneously
Some main economic and technical indices of machine such as power output of voltage class, Unit Weight etc., insulation system with it, used
Insulating materials and insulating treatment process also have very big relation.Therefore, insulating materials occupies very heavy in traction electric machine
The status wanted.
The conventional insulating materials of Engine on National Locomotive traction electric machine has High Strength Polyimide film, high-strength composite mica paper
And the solvent-free immersion paint of high temperature classification, inorganic fibers etc., but quality also needs to stabilize and increase.Epoxy resin conduct
It is excellent insulate, be weather-proof, etch-proof insulating materials base material, can further study synthesis traction electric machine casting resin.
The content of the invention：
The defects of technical problems to be solved by the invention are to overcome prior art, there is provided a kind of mechanical performance, insulation
Excellent traction electric machine casting resin of performance, weatherability and preparation method thereof.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of traction electric machine casting resin, the casting resin are prepared by resin combination and curing agent composition,
The resin combination includes the raw material of following parts by weight：
The curing agent composition includes the raw material of following parts by weight：
80~98 parts of methyl tetrahydro phthalic anhydride；
2~20 parts of modified maleic acid anhydride；
0.1~1.8 part of mixed accelerators；
Wherein, Nanoparticulate compositions by nanometer silicon dioxide particle, nano aluminium oxide, nano aluminum nitride according to mass ratio
3:1:1 mixing；Mixed accelerators includes the composition of following parts by weight：10~20 parts of benzyl dimethylamine, 0~8 part of DMP-30, miaow
0~20 part of azoles.
Preferably, the resin combination includes the raw material of following parts by weight：
The curing agent composition includes the raw material of following parts by weight：
95 parts of methyl tetrahydro phthalic anhydride；
10 parts of modified maleic acid anhydride；
0.7 part of mixed accelerators；
Wherein, Nanoparticulate compositions by nanometer silicon dioxide particle, nano aluminium oxide, nano aluminum nitride according to mass ratio
3:1:1 mixing；Mixed accelerators includes the composition of following parts by weight：15 parts of benzyl dimethylamine, 6 parts of DMP-30,12 parts of imidazoles.
The preparation method of above-mentioned traction electric machine casting resin, comprises the following steps：
(1) prepared by resin combination：E51 bisphenol A epoxide resins are added in reactor, are preheated to 60~70 DEG C, successively
PPG, island structure toughener, Nanoparticulate compositions are added, stirring at low speed mixing, 70~80 DEG C is warming up to, continues
After stirring 30~50min, vacuum defoamation is carried out, after 20~40min of deaeration, obtains resin combination；
(2) preparation of curing agent composition：Methyl tetrahydro phthalic anhydride is added in reactor, stirring is warming up to 30~40
DEG C, modified maleic acid anhydride, mixed accelerators are added, after 300~500r/min rotating speed insulated and stirreds, 20~30min, is obtained
Curing agent composition；
(3) preparation of casting resin：Resin combination prepared by step (1) is combined with curing agent prepared by step (2)
Thing is with mass ratio 1：1 ratio is mixed evenly to obtain compound, and compound is poured into a mould to obtain the traction electric machine casting resin.
Preferably, the step (1) is warming up to 75 DEG C, continues after stirring 42min, carries out vacuum defoamation, speed of agitator is
100~200r/min.
Preferably, step (3) compound is poured into mould under vacuum conditions, form removal after solidification.
The beneficial effects of the invention are as follows：1. the traction electric machine casting resin of the present invention, materials safety is nontoxic, reasonable mixture ratio,
Good, the wear-resisting and waterproof with excellent weatherability, temperature tolerance, tensile strength, yield strength, insulating properties, and surface gloss.
Using E51 bisphenol A epoxide resins as main component, 2. island structure toughener can change the resin combination of the present invention
The toughness of kind resin, reduces cure shrinkage and thermal stress, strengthens heat resistance and mechanical performance.
3. the curing agent composition of the present invention is formed using methyl tetrahydro phthalic anhydride, modified maleic acid anhydride, accelerator compounding, Gu
Change speed is fast, and temperature tolerance is good, can ensure that the various aspects of performance of resin is stable.
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
A kind of traction electric machine casting resin, is prepared by resin combination and curing agent composition, the resin combination
Thing includes the raw material of following parts by weight：
The curing agent composition includes the raw material of following parts by weight：
95 parts of methyl tetrahydro phthalic anhydride；
10 parts of modified maleic acid anhydride；
0.7 part of mixed accelerators；
Wherein, Nanoparticulate compositions by nanometer silicon dioxide particle, nano aluminium oxide, nano aluminum nitride according to mass ratio
3:1:1 mixing；Mixed accelerators includes the composition of following parts by weight：15 parts of benzyl dimethylamine, 6 parts of DMP-30,12 parts of imidazoles.
The preparation method of the traction electric machine casting resin, comprises the following steps：
(1) prepared by resin combination：E51 bisphenol A epoxide resins are added in reactor, 62 DEG C is preheated to, sequentially adds
PPG, island structure toughener, Nanoparticulate compositions, stirring at low speed mixing, are warming up to 75 DEG C, continue to stir
After 42min, vacuum defoamation is carried out, after speed of agitator 200r/min, deaeration 30min, obtains resin combination；
(2) preparation of curing agent composition：Methyl tetrahydro phthalic anhydride is added in reactor, stirring is warming up to 35 DEG C, then
Modified maleic acid anhydride, mixed accelerators are added, after 400r/min rotating speed insulated and stirreds 26min, obtains curing agent composition；
(3) preparation of casting resin：Resin combination prepared by step (1) is combined with curing agent prepared by step (2)
Thing is with mass ratio 1：1 ratio is mixed evenly to obtain compound, and compound is poured into mould under vacuum conditions, solidification
Form removal obtains the traction electric machine casting resin afterwards.
Just face is smooth for the casting resin of the present embodiment, without obvious impurity, bubble, fold, apparent density 1.36kg/cm3,
Tensile strength is 35MPa, yield strength 5.4MPa, hardness 90D, 96 DEG C of heat distortion temperature.
Embodiment 2
A kind of traction electric machine casting resin, is prepared by resin combination and curing agent composition, the resin combination
Thing includes the raw material of following parts by weight：
The curing agent composition includes the raw material of following parts by weight：
89 parts of methyl tetrahydro phthalic anhydride；
14 parts of modified maleic acid anhydride；
1.2 parts of mixed accelerators；
Wherein, Nanoparticulate compositions by nanometer silicon dioxide particle, nano aluminium oxide, nano aluminum nitride according to mass ratio
3:1:1 mixing；Mixed accelerators includes the composition of following parts by weight：15 parts of benzyl dimethylamine, 5 parts of DMP-30,6 parts of imidazoles.
The preparation method of the traction electric machine casting resin, comprises the following steps：
(1) prepared by resin combination：E51 bisphenol A epoxide resins are added in reactor, 68 DEG C is preheated to, sequentially adds
PPG, island structure toughener, Nanoparticulate compositions, stirring at low speed mixing, are warming up to 75 DEG C, continue to stir
After 42min, vacuum defoamation is carried out, after deaeration 25min, obtains resin combination；
(2) preparation of curing agent composition：Methyl tetrahydro phthalic anhydride is added in reactor, stirring is warming up to 40 DEG C, then
Modified maleic acid anhydride, mixed accelerators are added, after 300r/min rotating speed insulated and stirreds 30min, obtains curing agent composition；
(3) preparation of casting resin：Resin combination prepared by step (1) is combined with curing agent prepared by step (2)
Thing is with mass ratio 1：1 ratio is mixed evenly to obtain compound, and compound is poured into mould under vacuum conditions, solidification
Form removal obtains the traction electric machine casting resin afterwards.
Just face is smooth for the casting resin of the present embodiment, without obvious impurity, bubble, fold, apparent density 1.41kg/cm3,
Tensile strength is 29MPa, yield strength 5.2MPa, hardness 88D, 92 DEG C of heat distortion temperature.
Embodiment 3
A kind of traction electric machine casting resin, is prepared by resin combination and curing agent composition, the resin combination
Thing includes the raw material of following parts by weight：
The curing agent composition includes the raw material of following parts by weight：
90 parts of methyl tetrahydro phthalic anhydride；
12 parts of modified maleic acid anhydride；
1.5 parts of mixed accelerators；
Wherein, Nanoparticulate compositions by nanometer silicon dioxide particle, nano aluminium oxide, nano aluminum nitride according to mass ratio
3:1:1 mixing；Mixed accelerators includes the composition of following parts by weight：20 parts of benzyl dimethylamine, 8 parts of DMP-30,14 parts of imidazoles.
The preparation method of the traction electric machine casting resin, comprises the following steps：
(1) prepared by resin combination：E51 bisphenol A epoxide resins are added in reactor, 70 DEG C is preheated to, sequentially adds
PPG, island structure toughener, Nanoparticulate compositions, stirring at low speed mixing, are warming up to 80 DEG C, continue to stir
After 50min, vacuum defoamation is carried out, after deaeration 40min, obtains resin combination；
(2) preparation of curing agent composition：Methyl tetrahydro phthalic anhydride is added in reactor, stirring is warming up to 40 DEG C, then
Modified maleic acid anhydride, mixed accelerators are added, after 500r/min rotating speed insulated and stirreds 20min, obtains curing agent composition；
(3) preparation of casting resin：Resin combination prepared by step (1) is combined with curing agent prepared by step (2)
Thing is with mass ratio 1：1 ratio is mixed evenly to obtain compound, and compound is poured into mould under vacuum conditions, solidification
Form removal obtains the traction electric machine casting resin afterwards.
Just face is smooth for the casting resin of the present embodiment, without obvious impurity, bubble, fold, apparent density 1.41kg/cm3,
Tensile strength is 27MPa, yield strength 4.9MPa, hardness 86D, 90 DEG C of heat distortion temperature.
Embodiment 4
A kind of traction electric machine casting resin, is prepared by resin combination and curing agent composition, the resin combination
Thing includes the raw material of following parts by weight：
The curing agent composition includes the raw material of following parts by weight：
95 parts of methyl tetrahydro phthalic anhydride；
17 parts of modified maleic acid anhydride；
1.6 parts of mixed accelerators；
Wherein, Nanoparticulate compositions by nanometer silicon dioxide particle, nano aluminium oxide, nano aluminum nitride according to mass ratio
3:1:1 mixing；Mixed accelerators includes the composition of following parts by weight：20 parts of benzyl dimethylamine, 8 parts of DMP-30,20 parts of imidazoles.
The preparation method of the traction electric machine casting resin, comprises the following steps：
(1) prepared by resin combination：E51 bisphenol A epoxide resins are added in reactor, 70 DEG C is preheated to, sequentially adds
PPG, island structure toughener, Nanoparticulate compositions, stirring at low speed mixing, are warming up to 80 DEG C, continue to stir
After 50min, vacuum defoamation is carried out, after deaeration 40min, obtains resin combination；
(2) preparation of curing agent composition：Methyl tetrahydro phthalic anhydride is added in reactor, stirring is warming up to 40 DEG C, then
Modified maleic acid anhydride, mixed accelerators are added, after 500r/min rotating speed insulated and stirreds 30min, obtains curing agent composition；
(3) preparation of casting resin：Resin combination prepared by step (1) is combined with curing agent prepared by step (2)
Thing is with mass ratio 1：1 ratio is mixed evenly to obtain compound, and compound is poured into mould under vacuum conditions, solidification
Form removal obtains the traction electric machine casting resin afterwards.
Just face is smooth for the casting resin of the present embodiment, without obvious impurity, bubble, fold, apparent density 1.38kg/cm3,
Tensile strength is 33MPa, yield strength 4.9MPa, hardness 85D, 91 DEG C of heat distortion temperature.
Comparative example 1
A kind of traction electric machine casting resin, is prepared by resin combination and curing agent composition, the resin combination
Thing includes the raw material of following parts by weight：
86 parts of E51 bisphenol A epoxide resins；
15 parts of PPG；
16 parts of island structure toughener；
The curing agent composition includes the raw material of following parts by weight：
95 parts of methyl tetrahydro phthalic anhydride；
10 parts of modified maleic acid anhydride；
0.7 part of mixed accelerators；
Wherein, mixed accelerators includes the composition of following parts by weight：15 parts of benzyl dimethylamine, 6 parts of DMP-30, imidazoles 12
Part.
Preparation method is the same as embodiment 1.The casting resin tensile strength is 15MPa, yield strength 1.8MPa, and hardness is
56D, 67 DEG C of heat distortion temperature.
Comparative example 2
A kind of traction electric machine casting resin, is prepared by resin combination and curing agent composition, the resin combination
Thing includes the raw material of following parts by weight：
The curing agent composition includes the raw material of following parts by weight：
95 parts of methyl tetrahydro phthalic anhydride；
10 parts of modified maleic acid anhydride；
Wherein, Nanoparticulate compositions by nanometer silicon dioxide particle, nano aluminium oxide, nano aluminum nitride according to mass ratio
3:1:1 mixing.
Preparation method is the same as embodiment 1.The casting resin tensile strength is 22MPa, yield strength 1.8MPa, and hardness is
57D, 66 DEG C of heat distortion temperature.
The traction electric machine casting resin of the present invention, materials safety is nontoxic, reasonable mixture ratio, has excellent weatherability, heatproof
Property, tensile strength, yield strength, insulating properties, and surface gloss is good, wear-resisting and waterproof.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
- A kind of 1. traction electric machine casting resin, it is characterised in that：The casting resin is by resin combination and curing agent composition It is prepared, the resin combination includes the raw material of following parts by weight：The curing agent composition includes the raw material of following parts by weight：80~98 parts of methyl tetrahydro phthalic anhydride；2~20 parts of modified maleic acid anhydride；0.1~1.8 part of mixed accelerators；Wherein, Nanoparticulate compositions by nanometer silicon dioxide particle, nano aluminium oxide, nano aluminum nitride according to mass ratio 3:1: 1 mixing；Mixed accelerators includes the composition of following parts by weight：10~20 parts of benzyl dimethylamine, 0~8 part of DMP-30, imidazoles 0~ 20 parts.
- 2. traction electric machine casting resin according to claim 1, it is characterised in that：The resin combination includes following heavy Measure the raw material of part：The curing agent composition includes the raw material of following parts by weight：95 parts of methyl tetrahydro phthalic anhydride；10 parts of modified maleic acid anhydride；0.7 part of mixed accelerators；Wherein, Nanoparticulate compositions by nanometer silicon dioxide particle, nano aluminium oxide, nano aluminum nitride according to mass ratio 3:1: 1 mixing；Mixed accelerators includes the composition of following parts by weight：15 parts of benzyl dimethylamine, 6 parts of DMP-30,12 parts of imidazoles.
- 3. the preparation method of traction electric machine casting resin according to claim 1 or 2, it is characterised in that：Including following step Suddenly：(1) prepared by resin combination：E51 bisphenol A epoxide resins are added in reactor, 60~70 DEG C is preheated to, sequentially adds PPG, island structure toughener, Nanoparticulate compositions, stirring at low speed mixing, are warming up to 70~80 DEG C, continue to stir After 30~50min, vacuum defoamation is carried out, after 20~40min of deaeration, obtains resin combination；(2) preparation of curing agent composition：Methyl tetrahydro phthalic anhydride is added in reactor, stirring is warming up to 30~40 DEG C, then Modified maleic acid anhydride, mixed accelerators are added, after 300~500r/min rotating speed insulated and stirreds, 20~30min, obtains curing agent Composition；(3) preparation of casting resin：Curing agent composition prepared by resin combination and step (2) prepared by step (1) with Mass ratio 1：1 ratio is mixed evenly to obtain compound, and compound is poured into a mould to obtain the traction electric machine casting resin.
- 4. the preparation method of traction electric machine casting resin according to claim 3, it is characterised in that：The step (1) rises Temperature continues after stirring 42min to 75 DEG C, carries out vacuum defoamation, speed of agitator is 100~200r/min.
- 5. the preparation method of traction electric machine casting resin according to claim 3, it is characterised in that：The step (3) is mixed Close material to be poured into mould under vacuum conditions, form removal after solidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909178.1A CN107603154A (en) | 2017-09-29 | 2017-09-29 | Traction motor casting resin and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909178.1A CN107603154A (en) | 2017-09-29 | 2017-09-29 | Traction motor casting resin and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN107603154A true CN107603154A (en) | 2018-01-19 |
Family
ID=61067174
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710909178.1A Withdrawn CN107603154A (en) | 2017-09-29 | 2017-09-29 | Traction motor casting resin and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107603154A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583928A (en) * | 2004-05-27 | 2005-02-23 | 哈尔滨工程大学 | Epoxy resin pouring sealant |
| CN101864145A (en) * | 2010-06-08 | 2010-10-20 | 桂林五环电器制造有限公司 | High heat conductive insulating impregnated resin used for air reactor and preparation method thereof |
| CN106318299A (en) * | 2015-06-15 | 2017-01-11 | 株洲时代新材料科技股份有限公司 | High temperature resistant epoxy pouring sealant, preparation method and application thereof as packaging material in IGBT module |
-
2017
- 2017-09-29 CN CN201710909178.1A patent/CN107603154A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583928A (en) * | 2004-05-27 | 2005-02-23 | 哈尔滨工程大学 | Epoxy resin pouring sealant |
| CN101864145A (en) * | 2010-06-08 | 2010-10-20 | 桂林五环电器制造有限公司 | High heat conductive insulating impregnated resin used for air reactor and preparation method thereof |
| CN106318299A (en) * | 2015-06-15 | 2017-01-11 | 株洲时代新材料科技股份有限公司 | High temperature resistant epoxy pouring sealant, preparation method and application thereof as packaging material in IGBT module |
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Application publication date: 20180119 |